<?hh // strict
/**
 * Copyright (c) 2014, Facebook, Inc.
 * All rights reserved.
 *
 * This source code is licensed under the MIT license found in the
 * LICENSE file in the "hack" directory of this source tree.
 *
 *
 */

newtype myshape = shape('x' => myshape);

function test(myshape $x): myshape {
  return shape('x' => $x);
}
